unit 6 cont… - namibia university of science and ... 6... · introduction • perfect...
TRANSCRIPT
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UNIT 6 cont…
PRICING UNDER DIFFERENT MARKET STRUCTURES
Monopolistic Competition
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Market Structure Perfect
Competition
Pure Monopoly
Monopolistic Competition Oligopoly Duopoly Monopoly
The further right on the scale, the greater the degree of monopoly power exercised by the firm.
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Introduction
• Perfect competition, with an infinite number of firms, and monopoly, with a single firm, are polar opposites.
• Monopolistic competition and oligopoly lie between these two extremes.
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Introduction
• Monopolistic competition is a market structure in which there are many firms selling differentiated products.
• There are few barriers to entry.
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Characteristics of Monopolistic Competition
Four distinguishing characteristics:
3. *Multiple dimensions of competition make it harder to analyze a specific industry.
2. Product differentiation where the goods that are sold aren’t homogenous
1. Many sellers that do not take into account rivals’ reactions
4. Ease of entry of new firms in the long run because there are no significant barriers to entry
16-5
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Many Sellers
• When there are many sellers, they do not take into account rivals’ reactions.
• The existence of many sellers makes collusion difficult.
• Monopolistically competitive firms act independently.
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Product Differentiation
• Product differentiation implies that the products are different enough that the producing firms exercise a “mini-monopoly” over their product.
• The firms compete more on product differentiation than on price.
• Entering firms produce close substitutes, not an identical or standardized product.
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Differentiated Products
• The “many sellers” characteristic gives monopolistic competition its competitive aspect.
• Product differentiation gives monopolistic competition its monopolistic aspect.
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Differentiated Products
• Differentiation exists so long as advertising convinces buyers that it exists.
• Firms will continue to advertise as long as the marginal benefits of advertising exceed its marginal costs.
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Multiple Dimensions of Competition
• One dimension of competition is product differentiation.
• Another is competing on perceived quality. • Competitive advertising is another. • Others include service and distribution
outlets.
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Easy Entry of New Firms in the Long Run
• There are no significant barriers to entry. • Barriers to entry prevent competitive
pressures. • Ease of entry limits long-run profit.
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Output, Price, and Profit of a Monopolistic Competitor
• A monopolistically competitive firm prices in the same manner as a monopolist—where MC = MR.
• But the monopolistic competitor is not only a monopolist but a competitor as well.
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Output, Price, and Profit of a Monopolistic Competitor
• Like a monopoly,
• At profit maximizing output, marginal cost will be less than price
• Marginal revenue is below price
• Like a perfect competitor, zero economic profits exist in the long run
• The monopolistic competitive firm has some monopoly power so the firm faces a downward sloping demand curve
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A Monopolistically Competitive Firm: Above Normal Profit
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A Monopolistically Competitive Firm: Economic Loss
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A Monopolistically Competitive Firm: Normal Profit
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Entry and Normal Profit
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Output, Price, and Profit of a Monopolistic Competitor
• At equilibrium, ATC equals price and economic profits are zero.
• This occurs at the point of tangency of the ATC and demand curve at the output chosen by the firm.
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Monopolistic Competition
MC
ATC
MR D QM
PM
Price
0 Quantity
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Comparing Perfect and Monopolistic Competition
• Both the monopolistic competitor and the perfect competitor make zero economic profit in the long run.
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Perfect Competition and Monopolistic Competition Compared
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Monopolistic Competition Compared with Perfect Competition Graph
Outcome: Monopolistic competition
output is lower and price is higher than perfect competition
• In monopolistic competition in the long run, P > min ATC,
• In perfect competition in the long run, P = min ATC
Q
P
ATC
QMC
MC
DMC
MRMC
PMC PPC DPC
QPC
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Comparing Monopolistic Competition with Monopoly
• No long-run economic profit is possible in monopolistic competition because there are no significant barriers to entry
• It is possible for the monopolist to make economic profit in the long run because of the existence of barriers to entry
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Advertising and Monopolistic Competition
• Advertising increases ATC
• The goals of advertising are to increase demand and make demand more inelastic
• Perfectly competitive firms have no incentive to advertise, but monopolistic competitors do
• The increase in cost of a monopolistically competitive product is the cost of “differentness”
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Nonprice Competition • The firm attempts to establish its product as a
different product from that offered by its rivals.
• Differentiation means that in the consumer’s mind, the product is not the same. Marketing is often the key to successful differentiation.
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Nonprice Competition
• Firms may differentiate products by perceived quality, reliability, color, style, safety features, packaging, purchase terms, warranties and guarantees, location, availability (hours of operation) or any other features.
• Brand names may signal information regarding the product, reducing consumer risk.
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Goals of Advertising
• The goals of advertising include shifting the demand curve to the right and making it more inelastic.
• Advertising shifts the ATC curve up.
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Does Advertising Help or Hurt Society?
• There is a sense of trust in buying brands we know.
• If consumers are willing to pay for “differentness,” it’s a benefit to them.
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Advertising, Prices, and Profits Product differentiation reduces the price elasticity of demand, which appears as a steeper demand curve. Successful product differentiation enables the firm to charge a higher price.
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Location under Monopolistic Competition
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Brand Name • A brand name is valuable to a firm; it makes the
demand less elastic and can enable the firm to earn higher profits.
• Once a consumer has had a positive experience with a good, the price elasticity of demand for that good typically decreases—the consumer becomes loyal to the product.
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24-6 Copyright 2002 by The McGraw-Hill Companies, Inc. All rights reserved.
Monopolistic Competitor Making a Profit in the Short Run
Output
24
22
20
18
16
14
12
10
8
6
4
2
0
MC
ATC
D
MR
0 10 20 30 40 50 60 70 80 90 100 120 140 160
Output is 60
Price is $15
ATC is $12.10
Total Profit=(Price-ATC) X Output
=($15-$12.10) X 60 =($2.90) X 60 = $174
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24-7 Copyright 2002 by The McGraw-Hill Companies, Inc. All rights reserved.
Monopolistic Competitor Taking a Loss in the Short Run
Output
24
22
20
18
16
14
12
10
8
6
4
2
0
MC
ATC
D
MR
0 10 20 30 40 50 60 70 80 90 100 120 140 160
Output is 42
Price is $11 ATC is $12.80
Total Profit=(Price-ATC) X Output
=($11-$12.80) X 42 =(-$1.80) X 42 = -$75.60